Thanks, but that's just a repeat of what is shown in the wiring schematic (27-51-04 sh2).
Your picture is from the Wiring Diagram Manuals (WDMs). Wiring Diagram Manuals show the finer details of the wires connecting the computers, but often omit what data is being relayed on those wires. The System Schematic Manuals (SSMs) often show the data which is being relayed on the wires, but may omit the details of the wires.
According to the schematics, pins K14 and K15 only have inboard TE data on them.
Cheers
NSEU